The Hidden Lagoons of Baltinache are a group of small, deep turquoise pools tucked into a fold of the desert not far from San Pedro de Atacama. They were once little known, which is where the name comes from, but they are now a popular half-day excursion, partly because they offer a more intimate and manageable experience than some larger lagoon tours. The water is very salty, so swimmers float without effort, and the contrast between the vivid blue-green of the pools and the dry, tawny desert around them is striking. Several pools are linked by short paths of sand and salt crust, and each has a slightly different depth and colour. The trip is usually run for small groups, which keeps the numbers down and makes it easier to enjoy the quiet. A guide explains the origin of the pools, which are fed by groundwater rich in salts, and manages the group's time at each one. Some tours include a drink or snack afterwards. The experience is simple but memorable: lying back in warm sun, supported by water that seems to push you up, with a wide desert sky overhead and almost no sound but the wind.
How it works
Access to the lagoons is regulated to protect them, so the number of visitors is limited and reservations are essential. The pools sit a short drive from the village, reached by a dirt road, and tours generally leave in the morning or the afternoon and last about three hours. Entry and a guide are normally part of the tour, and you should check whether towels and showers are included.
What to expect
As with other salt lagoons, you float with almost no effort, but you should not put your head under the water or splash around, since the salt irritates eyes and skin. Bring a swimsuit, a towel and sandals, and rinse afterwards if showers are available. The sun is strong and the shade is limited, so wear sunscreen and a hat, and drink water. The water can feel cold at first, particularly in the cooler months, though most people get used to it quickly.
Making the most of it
Book well in advance in busy seasons, and choose a morning slot if you want warmer, calmer conditions and a quieter experience. Leave jewellery at the hotel, since the salt can tarnish it, and avoid using creams or sunscreen that could contaminate the water just before you enter. This stop pairs well with the Laguna Cejar tour if you want to compare two salt lagoons, though many visitors choose just one. If you have any skin conditions or cuts, consider skipping the floating and simply enjoying the setting.
What to expect
The experience
A small-group visit to a series of turquoise salt pools, with time to float and relax.
Best time
Morning for calm, warm conditions, or afternoon for softer light.
How long
About three hours including the drive.
Tips
Reserve ahead, bring a swimsuit and towel, avoid putting your head under water and rinse afterwards.
Quick picks
- Best for
- Travellers who want a quieter, more intimate lagoon experience.
- Families
- Older children and teenagers enjoy the floating, with an adult nearby.
- Couples
- A calm, restful outing that suits couples.
- Pair with
- Pair it with the Rainbow Valley or the Valle de la Luna on another day.
- Time needed
- Allow half a day.
Good questions
Why are the lagoons called hidden?+
They lie off the main road in a fold of the desert and were little known for a long time, hence the name.
Can I swim there?+
Visitors float in the salty water. Rules protect the lagoons, so follow your guide's instructions.
Do I need to book?+
Yes, numbers are limited and tours fill up, so reserve in advance.
Are there showers?+
This depends on the operator. Ask before booking and bring a towel and a bottle of water to rinse.
How long does it take?+
About three hours, including the drive from the village.